Finding the Fourth Proportional to 1,614,412,625.61, 2,227,889,338.08 and 871,856,616.81
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Solution
The fourth proportional to 1,614,412,625.61, 2,227,889,338.08 and 871,856,616.81 is: 1,203,162,085.15
Step by Step Solution
- Step 1: Write the proportion equation
1,614,412,625.61 : 2,227,889,338.08 = 871,856,616.81 : x - Step 2: Convert to fraction form
1,614,412,625.61/2,227,889,338.08 = 871,856,616.81/x - Step 3: Cross multiply
1,614,412,625.61x = 2,227,889,338.08 × 871,856,616.81 - Step 4: Simplify right side
1,614,412,625.61x = 1,942,400,060,925,498,880 - Step 5: Solve for x
x = 1,942,400,060,925,498,880/1,614,412,625.61 - Step 6: Final answer
x = 1,203,162,085.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.